{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:XHVWRM4GQSEFKQLDSQB3W3TGFA","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"4b302beb2e1d34f4ce651d3399e13e023895e2434d83dd23bda4f4969821cbfb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-07-27T06:09:52Z","title_canon_sha256":"1efbfc427094f2a768e2679af5d20916e3972884867a608b391d88350362a9d9"},"schema_version":"1.0","source":{"id":"2107.12616","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.12616","created_at":"2026-07-05T03:48:43Z"},{"alias_kind":"arxiv_version","alias_value":"2107.12616v1","created_at":"2026-07-05T03:48:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.12616","created_at":"2026-07-05T03:48:43Z"},{"alias_kind":"pith_short_12","alias_value":"XHVWRM4GQSEF","created_at":"2026-07-05T03:48:43Z"},{"alias_kind":"pith_short_16","alias_value":"XHVWRM4GQSEFKQLD","created_at":"2026-07-05T03:48:43Z"},{"alias_kind":"pith_short_8","alias_value":"XHVWRM4G","created_at":"2026-07-05T03:48:43Z"}],"graph_snapshots":[{"event_id":"sha256:6cf567fb79102be8d4bb9563564229bb12a2427e4132770bf101a3023f4d76eb","target":"graph","created_at":"2026-07-05T03:48:43Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2107.12616/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The structure of edge modes at the boundary of quantum Hall (QH) phases forms the basis for understanding low energy transport properties. In particular, the presence of ``upstream'' modes, moving against the direction of charge current flow, is critical for the emergence of renormalized modes with exotic quantum statistics. Detection of excess noise at the edge is a smoking gun for the presence of upstream modes. Here we report on noise measurements at the edges of fractional QH (FQH) phases realized in dual graphite-gated bilayer graphene devices. A noiseless dc current is injected at one of","authors_text":"Alexander D. Mirlin, Anindya Das, Christian Sp{\\aa}nsl\\\"att, K. Watanabe, Ravi Kumar, Saurabh Kumar Srivastav, T. Taniguchi, Yuval Gefen","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-07-27T06:09:52Z","title":"Observation of ballistic upstream modes at fractional quantum Hall edges of graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.12616","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:edcf114a44a6a352c1cf6b0e3ca40693e240bd52f7fd320e69a1ca399e7eddcb","target":"record","created_at":"2026-07-05T03:48:43Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"4b302beb2e1d34f4ce651d3399e13e023895e2434d83dd23bda4f4969821cbfb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-07-27T06:09:52Z","title_canon_sha256":"1efbfc427094f2a768e2679af5d20916e3972884867a608b391d88350362a9d9"},"schema_version":"1.0","source":{"id":"2107.12616","kind":"arxiv","version":1}},"canonical_sha256":"b9eb68b38684885541639403bb6e6628036a7a5a7069bc68868503b40c8bb1d0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b9eb68b38684885541639403bb6e6628036a7a5a7069bc68868503b40c8bb1d0","first_computed_at":"2026-07-05T03:48:43.704996Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:48:43.704996Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HbUT7rKpX9Y845ySC1S7FkZOnn/BliZMhR3PO1St30tqBNYcsUKE5xRoMKjCzZluF9eI/PBV4ipu/Lv0IwTHBg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:48:43.705404Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.12616","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:edcf114a44a6a352c1cf6b0e3ca40693e240bd52f7fd320e69a1ca399e7eddcb","sha256:6cf567fb79102be8d4bb9563564229bb12a2427e4132770bf101a3023f4d76eb"],"state_sha256":"d3c5ad1f6e88d0ab61ae5c52acc9923e9cb81466c88f00952d70738d1b0ce7ff"}